Security record · archived quarter
LAB
Standard BioTools Inc. · Healthcare · Medical - Specialties
11Tracked holders
—Δ holders
90.16MShares held
$159.59MReported value
+0New positions
−0Exits
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2024
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 63 | -12 | 121.60M | $100.00M | +9 | −21 |
| Q1 2026 | 78 | -1 | 139.51M | $128.36M | +4 | −5 |
| Q4 2025 | 78 | +1 | 157.79M | $201.97M | +1 | — |
| Q3 2025 | 15 | 0 | 128.39M | $166.92M | — | — |
| Q2 2025 | 12 | +1 | 121.19M | $145.43M | +1 | — |
| Q1 2025 | 8 | -2 | 82.05M | $88.62M | — | −2 |
| Q4 2024 | 10 | -2 | 83.56M | $146.24M | — | −2 |
| Q3 2024 | 11 | 0 | 85.39M | $164.80M | — | — |
| Q2 2024 | 11 | — | 90.16M | $159.59M | — | — |
Who holds it · Q2 2024
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Viking Global Investors ✦ | 58.65M | — | $103.81M | 0.4% | n/c | 1 | SEC ↗ |
| 2 | ARK Investment Management ✦ | 12.68M | — | $22.44M | 0.2% | n/c | 1 | SEC ↗ |
| 3 | Geode Capital Management ✦ (passive) | 6.79M | — | $12.03M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | Geode Capital Management ✦ (passive) | 6.79M | — | $12.03M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | Millennium Management ✦ | 6.22M | — | $11.01M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | PRIMECAP Management ✦ | 3.01M | — | $5.33M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | Renaissance Technologies ✦ | 1.00M | — | $1.78M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | Citadel Advisors ✦ | 905.35K | — | $1.60M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | Two Sigma Investments ✦ | 403.53K | — | $714,246 | 0.0% | n/c | 1 | SEC ↗ |
| 10 | AQR Capital Management ✦ | 243.24K | — | $430,530 | 0.0% | n/c | 1 | SEC ↗ |
| 11 | AQR Capital Management ✦ | 243.24K | — | $430,530 | 0.0% | n/c | 1 | SEC ↗ |
| 12 | T. Rowe Price ✦ | 165.04K | — | $293,000 | 0.0% | n/c | 1 | SEC ↗ |
| 13 | Marshall Wace ✦ | 81.62K | — | $144,462 | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 154 holders, 297.10M shares, $272.49M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Aug 14
SC 13G/A — MAK CAPITAL ONE LLC
Aug 14
SC 13G — Long Focus Capital Management, LLC
Jul 30
SC 13G/A — BlackRock, Inc.
Jun 12
SC 13D — VIKING GLOBAL INVESTORS LP
15.0% of class · View original SEC filing ↗
Jun 09
SC 13D/A — Casdin Capital, LLC
22.7% of class · View original SEC filing ↗
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2024 ·
Methodology ·
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